General Description
The MAX32663A is a low-power sensor hub with embedded firmware and HeartKey® ECG algorithms from B-Secur for wearable and medical devices. It enables seamless communication with Maxim’s low-power ECG sensors (e.g., the MAX30003), providing a complete solution that delivers health information and insights to an application.

Benefits and Features
● Three Different Versions
   • Version FS (Full HeartKey Suite)
   • Heart Rate, Heart Rate Variability, Stress Level
      Index, Energy Expenditure and User
      Identification
   • Version W (Health and Wellness)
   • Heart Rate, Heart Rate Variability, Stress Level
      Index and Energy Expenditure
   • Version UI (User Identification)
   • User Identification
● Biometric Sensor Hub Enables Faster Time to Market
● Removes Software Licensing Burden
● One Slave I2C for Communication with a Host
   Microcontroller
● One Master I2C for Communication with Sensors
● Manages the Ultra-Low Power-Hardware for
   Increased Efficiency
● First-In First-Out (FIFO) Provides Minimal Host
   Interaction
● Easily Integrate with Maxim’s Low-Power ECG AFEs
   (e.g., MAX30003)
● Tiny Form Factors for Footprint-Constrained Designs
   • 3mm x 3mm TQFN
   • 1.6mm x 1.6mm WLP

APPLICATIONs
● Wearable Fitness
● Hearables
● Wearable Medical
● Portable Medical
● Mobile Devices